Iowa Code § 135B.12: Confidentiality.

The department’s final findings or the final survey findings of the joint commission or the American osteopathic association with respect to compliance by a hospital or rural emergency hospital with requirements for licensing or accreditation shall be made available to the public in a readily available form and place. Other information relating to a hospital or rural emergency hospital obtained by the department which does not constitute the department’s findings from an inspection of the hospital or rural emergency hospital or the final survey findings of the joint commission or the American osteopathic association shall not be made available to the public, except in proceedings involving the denial, suspension, or revocation of a license under this chapter. The name of a person who files a complaint with the department shall remain confidential and shall not be subject to discovery, subpoena, or other means of legal compulsion for its release to a person other than department employees or agents involved in the investigation of the complaint.